Wall lamp



FIG. 1 is a perspective view of a wall lamp showing my new design;

FIG. 2 is a front side elevational view of the wall lamp;

FIG. 3 is a rear side elevational view of the wall lamp;

FIG. 4 is a top plan of the wall lamp;

FIG. 5 is the bottom plan view of the wall lamp; and,

FIG. 6 is a left side view of the wall lamp, the right side elevational view being a mirror image. 

I claim the ornamental design for a wall lamp, as shown and described. 